equation

Sixty cookies were to be equally distributed to x campers. When 8 campers did not want the cookies, the other campers each received 2 more cookies. Which of the following equations could be used to find the number of campers x?
a. X^2-8X-240=0
b. X^2-8X+240=0

Sixty cookies were to be equally distributed to x campers. When 8 campers did not want the cookies, the other campers each received 2 more cookies. Which of the following equations could be used to find the number of campers x?
a. X^2-8X-240=0
b. X^2-8X+240=0

Sixty cookies were to be equally distributed to campers.
When 8 campers did not want the cookies, the other campers each received 2 more cookies.
Which of the following equations could be used to find the number of campers ?